Mark the correct statement w.r.t structure of anther.

The innermost wall layer is the tapetum. It nourishes the developing pollen grains. Cells of the tapetum possess dense cytoplasm and generally have more than one nucleus.A typical angiosperm anther is bilobed with each lobe having two theca. The outer three regions of anther wall, the epidermis, the endothecium and the middle layers perform the function of protection and dehiscence of the anther.